Ecological Risk Screening Summary - Pygmy Rainbowfish (Melanotaenia pygmaea) - Uncertain Risk

Species that are considered uncertain risk need a more in-depth assessment beyond the Risk Summary to better define the species’ risk to U.S. environments.

The history of invasiveness for Melanotaenia pygmaea is uncertain. No records of introduction were found. The climate match is low. The climate match results indicate that there would be little to no suitable climate that would support the establishment of a population in the case of an introduction of M. pygmaea. The certainty of assessment is medium. The overall risk assessment category is uncertain.